TripleS wrote:I did hear of one relevant product, but as the makers support an organisation that does not enjoy our universal approval, I'll keep quiet about it.

Does it end in X ?

The stuff I have isn't really something you can put in a sample. Much like Nick above says Ombrello is essentially the same thing, and looks the same too. It's just a small caplet containing about 10 / 15ml of the agent which is spread over the glass in one go via the pad on the caplet.